Lennox mini-split systems are a great way to provide compact, yet powerful temperature control for your home. Some models are built for air conditioning only, while heat pump models can provide both heating and cooling.
But no piece of HVAC equipment is flawless. There’s always a possibility your mini-split will malfunction. To identify what went wrong, you should locate where the mini-split error codes are displayed. Understanding what these codes refer to can help ensure fast mini-split repair, especially if professional help is necessary.
What each code means will ultimately depend on the specific model of your mini-split system. You can consult your manual to find a guide for what each code means. You can also contact the HVAC pros at Ohler & Holzhauer Inc.. Our technicians are trained to learn these codes in order to provide prompt mini-split repair in Port Clinton. Give us a call at 419-465-8722 to schedule an appointment.
Common Lennox Mini-Split Error Codes
While error codes can differ from model to model, there are some codes you’ll be more likely to come across. To learn what your error code could mean, consider the following:
Is your model a mini-split air conditioner or a mini-split heat pump?
Are there other signs of what malfunctioned? A strange noise coming from an important component, for example.
Here are some of the more common error codes for Lennox mini-splits.
E1 – Indoor / Outdoor Unit Communication
In general, an E1 error code signifies that communication between the mini-split system’s indoor and outdoor units has been hampered. It may be struggling with intermittent connection problems or have failed entirely. When the indoor and outdoor units can’t communicate with one another, it will not be able to adequately balance indoor temperatures.
E5 – Voltage Protection or Temperature Sensor Error
If you own a mini-split heat pump, an E5 error may indicate a proble